使用对称算法和非对称算法的两阶段过程。

A two-phase process using both symmetric and asymmetric algorithms.

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在一个国家引入和实施儿童疾病综合管理战略是一个分阶段过程，要求在卫生规划和服务中做大量的协调工作。

Introducing and implementing the IMCI strategy in a country is a phased process that requires a great deal of coordination among existing health programmes and services.

youdao

下面的图表总结了在写作过程的每个阶段所发生的事情。

The chart below summarizes what happens during each stage of the writing process.

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Well, it really happens throughout development and it happens from the first stages.

这一过程不仅贯穿整个发育阶段,并且于胚胎发育伊始就存在

耶鲁公开课 - 生物医学工程探索课程节选

So, for example, Wellbutrin, it is very unlikely that it would have thionyl chloride in order to make it, and if thionyl chloride was used at some point in the synthesis, it was not to put that chlorine atom on, it was to put something else on.

比如，安非他酮，用亚硫酰氯来制造它,是不太可能的，而就算在合成过程中的某一阶段用到了亚硫酰氯，它也不会把氯原子加进去，而是把其它东西加进去。

麻省理工公开课 - 化学原理课程节选

During development now this blastocyst has become implanted.

现在囊胚已经到了发育过程中的着床阶段

耶鲁公开课 - 生物医学工程探索课程节选